Comtech EF Data CDM-625A Installation And Operation Manual page 326

Advanced satellite modem (18 kbps – 25 mbps)
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CDM-625A Advanced Satellite Modem
Serial-based Remote Product Management
Command
Parameter
Number of
(Instruction
Type
Arguments
& Qualifier)
Quad Drop &
QDI=
73 bytes
Insert
Configuration Save
CST=
1 byte, value of
0 thru 9
Configuration Load
CLD=
1 byte, value of
0 thru 9
Description of Arguments
Command or Query.
Quad Drop & Insert Commands (E1 CCS Only)
QDI=pccddddddddddddddddddddddddddddddddCCssssssssssssssssssssssssssssssssmrrr, where:
p = Port number 1 thru 4
cc = Number of Drop Channels, 0-32.
Used to decide Port p's TX Tributary Rate if Interface Type is Quad Drop & Insert (TFM=8).
d = 32 bytes defining Timeslot locations (or channels)
CC = Number of Insert Channels, 0-32.
Used to decide Port p's RX Tributary Rate if Interface Type is Quad Drop & Insert (RFM=8).
s = 32 bytes defining Timeslot locations (or channels)
Timeslot definition:
0 = Unused
1-9 for timeslots 1–9,
A=10, B=11, C=12, D=13...V=31
z=timeslot zero
m = E1 Clock Sync/Async mode (Read/Write on Port 1 string, Read-Only on other Ports strings). This is NOT a per
port setting, but a global setting. 0=E1's are asynchronous, 1=E1's are synchronous.
r = reserved (set to value 0)
Example 1:
131123456789ABCDEFGHIJKLMNOPQRSTUV031123456789ABCDEFGHIJKLMNOPQRSTUV00000
Port 1's Drop channels 1–31 using timeslots 1–31. Same for Insert. E1 clock mode is synchronous (Read-Write using
Port 1 string).
Example 2:
30412340000000000000000000000000000204123400000000000000000000000000002001000
Port 3's Drop channels 1–4 using timeslots 1–4. Same for Insert. E1 clock mode is asynchronous (Read-only parameter
in Port 3 string).
Note: This command is a bit forgiving in the sense that the modem accepts the command even though the interface type
is other than Quad Drop & Insert. This is intentional for use with the CRS-300 switch for 1:N redundancy.
Command only.
Causes the modem to store the current modem configuration in Configuration Memory location in the form x, where x=0
to 9.
Example: CST=4 (stores the current configuration in location 4)
Command only.
Causes the modem to retrieve a previously stored modem configuration from Configuration Memory location in the form x, where
x=0 to 9
Example: CLD=4 (loads modem configuration from location 4 to be the active configuration)
8–44
Revision 0
MN-CDM625A
Query
Response to
(Instruction &
Response to Query
Command
Qualifier)
QDI=
QDI?p
QDI=pccdddddddddddd
QDI?
QDI?pn
ddddddddddddddddddd
QDI*
(where n = 0 to 9
dCCsssssssssssssssss
QDI#
returns the QDI
sssssssssssssssmrrr
portion of 1 of 10
stored
(Returns current Quad
configurations for a
D&I configuration of a
single port p)
single port p)
CST=
N/A
N/A
CST?
CST*
CST#
CLD=
N/A
N/A
CLD?
CLD*
CLD#

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